Recommended Hardware
ACR1555U
ACS's Bluetooth smart card reader. Pairs with PocketNFC for full MIFARE Classic 1K/4K sector reads, dictionary key attacks, and DESFire application inspection — all the access CoreNFC can't give an iPhone app directly.
- Full MIFARE Classic 1K/4K sector reads & dictionary key attacks
- DESFire application & free-memory inspection
- Dump restore and card cloning
- Rechargeable battery, standalone Bluetooth pairing
ACR1255U
ACS's compact Bluetooth reader — the same PC/SC-style command set as the ACR1555U in a smaller form factor. A good pick if portability matters more than the ACR1555U's larger battery.
- Full MIFARE Classic 1K/4K sector reads & dictionary key attacks
- DESFire application & free-memory inspection
- Compact, pocketable form factor
Chameleon Ultra
The RFID Research Group's hardware — the pick if you need emulation, not just reading. 8-slot card emulation, nested/static-nested/darkside/hardnested key acquisition, Magic Card Gen1A/Gen2 support, and 125 kHz LF credentials, all driven from PocketNFC.
- 8-slot card emulation with live sector-by-sector key-check grid
- Nested, static-nested, darkside & hardnested key acquisition
- Magic Card Gen1A/Gen2 read, write & clone
- HF/LF sniffing, MFKey32 detection, 125 kHz EM410x/HID/ioProx
Not sure which one you need?
Read iPhone's NFC Limits — and How External Readers Fix Them for a breakdown of what each device is actually for.